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Home >> Genesis >> 2021 >> G70 3.3T, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.3L (9 Of 9) >> DTC U0109-00: Lost Communication With Fuel Pump Control Module >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
Main Action
  • Check CAN message from FPCM
  1. Faulty FPCM
  2. CAN line between ECM and FPCM
  3. Other Modules incorrectly occupied CAN BUS
Prerequisite Condition
  • Engine run time is longer than 2 seconds.
  • Battery Voltage is higher than 11V.
Threshold value
  • CAN communication error with FPCM is detected.
Diagnosis Time
  • Continuously
MIL On Condition
  • No MIL "ON" (DTC only)
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